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Fix copy/paste of empty lines (#19798)

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* Fix copy/paste of empty newlines again

Fixes: https://github.com/go-gitea/gitea/issues/19331
Regressed by: https://github.com/go-gitea/gitea/pull/18270

Needed to do another newline addition to the Chroma output HTML to get
copy/paste work again. The previous replacement conditions are probably
obsolete, but as I'm not 100% sure, I opted to keep them.

Specifically, the Chroma HTML change mentioned in
https://github.com/go-gitea/gitea/pull/18270#issuecomment-1013350246
broke our previous newline replacement for such empty lines.

Also included are a few changes to make the test more pleasant to work
with.

* run go mod tidy

* add util.Dedent

* copy in the code

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: Lauris BH <lauris@nix.lv>
This commit is contained in:
silverwind 2022-06-10 15:45:28 +02:00 • committed by GitHub
parent 4d8e9f3b84
commit 527e5bd1b2
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4 changed files with 105 additions and 61 deletions
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2
modules/highlight/highlight.go
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@ -203,6 +203,8 @@ func File(numLines int, fileName, language string, code []byte) []string {
content = "\n"
} else if content == `</span><span class="w">` {
content += "\n</span>"
} else if content == `</span></span><span class="line"><span class="cl">` {
content += "\n"
}
content = strings.TrimSuffix(content, `<span class="w">`)
content = strings.TrimPrefix(content, `</span>`)